12P/Pons-Brooks (Record n° 28503)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Nov 15 20h53 UT by Nicolas BiverComa Total magnitude (m1) 9.7 Coma diameter 0.5 ' Coma condensation degree
(DC) 7 ICQ full report 12 2023 11 15.87 S 9.7 TK 40.7L 4 72 0.5 7 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1628 mm Instrument focale/diameter 4 Sensor Eye Power magnification 72 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog TYCHO2 Observation submission date 2024 May 24 17h10m52s